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3-Bromo-4-hydroxybenzoic acid CAS # 14348-41-5

Chemical Property:

Molecular Formula C7H5BrO3
Molar Mass 217.02 Nws
Qhov ntom 1.861 ± 0.06 g / cm3 (Tshaj tawm)
Melting Point 155-160 ° C
Boling Point 338.9 ± 32.0 ° C (Kev kwv yees)
Flash Point 158.8°C dej
Solubility Soluble hauv Methanol
Vapor Siab 3.71E-05mmHg ntawm 25 ° C
Qhov tshwm sim Khoom
Xim Dawb mus Yuav luag dawb
pKa 4.18 ± 0.10 (Kev kwv yees)
Kev cia khoom 2-8 ° C
MDL PAB 00017547

Product Detail

Khoom cim npe

Risk thiab Safety

Risk Codes R22 - Ua phem yog tias nqos
R41 - Riam phom loj rau qhov muag
Kev nyab xeeb piav qhia S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob.
S39 - Hnav qhov muag / ntsej muag tiv thaiv.
WGK Germany 3

3-Bromo-4-hydroxybenzoic acid (CAS # 14348-41-5) Kev taw qhia

3-bromo-4-hydroxybenzoic acid yog cov organic compound. Cov hauv qab no yog kev qhia txog cov khoom, kev siv, kev npaj, thiab cov ntaub ntawv kev nyab xeeb ntawm 3-bromo-4-hydroxybenzoic acid:

xwm:
-Cov tsos mob: 3-bromo-4-hydroxybenzoic acid yog xim tsis muaj xim rau daj ntseg daj crystalline lossis hmoov khoom.
-Solubility: Nws yog soluble hauv cawv thiab ether cov kuab tshuaj, thiab me ntsis soluble hauv dej.
-PH tus nqi: Acidic hauv dej.

Lub hom phiaj:

Txoj kev tsim khoom:
-3-bromo-4-hydroxybenzoic acid feem ntau yog npaj los ntawm bromination cov tshuaj tiv thaiv ntawm cov coj bromobenzoic acid nyob rau hauv tsim nyog tej yam kev mob.

Cov ntaub ntawv kev ruaj ntseg:
-Cov hmoov av ntawm 3-bromo-4-hydroxybenzoic acid tuaj yeem ua rau khaus qhov muag, ua pa, thiab tawv nqaij. Tsis txhob nqus pa thiab tiv tauj.
-Thov hnav cov hnab looj tes tiv thaiv, tsom iav, thiab cov cuab yeej ua pa thaum siv, thiab xyuas kom muaj chaw ua haujlwm zoo.
-3-bromo-4-hydroxybenzoic acid muaj qee yam corrosiveness thiab mob toxicity, thiab yuav tsum tau muab khaws cia thiab tuav kom zoo kom tsis txhob sib xyaw nrog lwm cov tshuaj.


  • Yav dhau los:
  • Tom ntej:

  • Sau koj cov lus ntawm no thiab xa tuaj rau peb